Baldwin I (died 1138) was the castellan and lord of Ramla in the Kingdom of Jerusalem from 1106 to his death.
In 1126, the castellany, which controlled the surrounding countryside too, was given in fief to the Count of Jaffa.
The sudden disappearance of Baldwin after this date could be attributed to his receiving the castellany of Ramla and adopting it as his surname.
By his wife Stephanie of Nablus, Baldwin had two children:
This biographical article of a European noble is a stub.